EMH1

{
  "slug": "emh1",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Digital Transistors, SOT-563. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "triode-mos tube-transistor",
    "emh1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "emh1.kicad_sym",
    "emh1.kicad_mod",
    "emh1.glb",
    "emh1.step",
    "emh1.lbr",
    "docs/hero.png",
    "docs/emh1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "emh1-hero.glb",
    "emh1-hero.overlay.json",
    "emh1-etched.glb"
  ],
  "component": {
    "mpn": "EMH1",
    "manufacturer": "Changjing",
    "package": "SOT-563",
    "pin_count": 6,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "Digital Transistors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8ff5811fb00eebeeb5540534794367fe.pdf",
    "parts": {
      "symbol": "emh1.kicad_sym",
      "footprint": "emh1.kicad_mod",
      "model_3d": "emh1-hero.glb",
      "model_3d_plain": "emh1-etched.glb",
      "model_3d_step": "emh1-etched.step",
      "model_3d_step_plain": "emh1.step",
      "lbr": "emh1.lbr"
    },
    "distributor_links": {
      "lcsc": "C19269145"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:02:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E1",
        "type": "power_in",
        "description": "Emitter (GND) of the first built-in-resistor NPN transistor Tr1, per the SOT-563 pin diagram."
      },
      {
        "number": "2",
        "name": "IN1",
        "type": "input",
        "description": "Input (base through built-in R1 22kΩ typ, R2/R1 ratio 1) of Tr1, with VI(off) min 0.5V and VI(on) max 3V and VIN rated -10 to 40V."
      },
      {
        "number": "3",
        "name": "OUT2",
        "type": "output",
        "description": "Collector output of the second transistor Tr2, rated IO 30mA and VCC 50V max."
      },
      {
        "number": "4",
        "name": "E2",
        "type": "power_in",
        "description": "Emitter (GND) of the second built-in-resistor NPN transistor Tr2, per the SOT-563 pin diagram."
      },
      {
        "number": "5",
        "name": "IN2",
        "type": "input",
        "description": "Input (base through built-in R1 22kΩ typ, R2/R1 ratio 1) of Tr2, with VI(off) min 0.5V and VI(on) max 3V and VIN rated -10 to 40V."
      },
      {
        "number": "6",
        "name": "OUT1",
        "type": "output",
        "description": "Collector output of the first transistor Tr1, rated IO 30mA and VCC 50V max."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet's pin diagram shows only numbers 1-6 and the internal schematic, with no printed pin n",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.1507,
        "at": "2026-10-22T21:02:15"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8ff5811fb00eebeeb5540534794367fe.pdf",
        "pages": 3,
        "sha256": "02ee4a916a49e22d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "emh1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          1.6,
          0.63
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "76c34aa4905777c0a8abe4718019904a3a9f8343cab7cc056f4516b7ef5165fc",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "emh1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          1.6,
          0.63
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e0ba7aab861a18b9a7809bcb411f1c62f438fb34b1b64e2404eca8a016c1c57d",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}